If you are not successful let us know:
(a) How you are connecting to the internet and to WordPress.com.
(b) Exactly which browser (and version of it) you’re using by checking here if necessary http://www.whatbrowser.org/

6. If you are not successful let us know:
(a) Exactly what kind of device you are using to connect to the internet and to WordPress.com.
(b) Exactly which browser (and version of it) you’re using by checking here if necessary http://www.whatbrowser.org/
(c) Exactly what you experience including what any error reports you receive state.